Quickly find current Washington state sales tax rates using your mobile device. Calculate total charges with tax, save and export location data for bookkeeping, and verify rates on the go.
Wa Sales Tax by Washington State Department of Revenue






175+ iOS apps curated and reviewed
Finding the right wa sales tax apps can be overwhelming with so many options. We've analyzed 175+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Jul 2026 | |
| 2 | Free | 4.8★ (5.2K) | Yes | Yes | Jul 2026 | |
| 3 | Free | 4.8★ (116K) | No | No | Jul 2026 | |
| 4 | $4.99 | 4.8★ (709) | No | No | Jul 2026 | |
| 5 | Free | 4.8★ (19K) | Yes | No | Jul 2026 | |
| 6 | Free | 4.8★ (2.5K) | Yes | Yes | Jul 2026 | |
| 7 | Free | 4.6★ (58K) | No | No | Jul 2026 | |
| 8 | Free | 3.3★ (883) | No | No | Jul 2026 |






Quickly find current Washington state sales tax rates using your mobile device. Calculate total charges with tax, save and export location data for bookkeeping, and verify rates on the go.




Easily calculate sales tax on purchases with this intuitive and accurate tool. Save multiple tax rates, perform arithmetic calculations, and support all currencies. An optional Pro version offers additional features like item logging and reverse tax calculation.






Easily prepare and file your federal and state tax returns from any device. Automatically populate up to 80 fields by uploading last year's return. Get expert help, track your refund, and maximize your refund with personalized insights.


This app offers a user-friendly and accurate sales tax calculation experience. It includes features to save item lists, perform reverse tax calculations, and sync with an Apple Watch for quick access. Manage multiple tax profiles and currencies with ease.


Easily prepare and file federal and state tax returns from any device with step-by-step guidance and a 100% accuracy guarantee. Offers unlimited phone and email support, with options for prior year comparisons and uploading existing returns. Various filing options are available to suit different tax situations.


Calculate the final price of purchases after applying discounts, coupons, rebates, and multiple sales taxes. It also handles reverse calculations to find pre-tax prices and includes a tip calculator and bill splitting functionality.


Manage your taxes and financial life in one secure app. Upload and store tax documents, track your refund status, and connect with tax professionals. Stay organized year-round with tools designed for real tax needs.


Shop globally and get money back on your purchases. This app helps you find stores, track your tax refunds instantly, and manage the entire tax-free shopping process from your phone. It simplifies form filling and locates convenient refund points.


This app simplifies complex tax filing for freelancers, self-employed individuals, and small business owners. It uses AI and human accountants to optimize returns, identify deductions, and ensure accuracy. File your taxes confidently from your phone or computer with expert review and audit protection.


Easily calculate the final cost of your purchases with this intuitive tool. It features dedicated buttons for discounts and allows you to adjust tax rates. Values and expressions can be conveniently copied for further use.


Manage your taxes conveniently with this app. Schedule appointments, connect with tax experts, upload documents, and access tax resources. Track your return status and view balances.


Quickly calculate Canadian sales tax for any province or territory. This app is useful for consumers to find total costs before purchasing and for professionals needing to determine pre- or post-tax amounts.


Instantly calculate sales tax and discounts in real time. This utility displays price, tax rates, subtotals, and final totals, with the ability to work backward from a final price to find the original amount.


This app uses AI and CPAs to automate tax filing for freelancers and self-employed individuals. It identifies deductions, prepares returns, and offers unlimited tax support, aiming to save users time and money.


This app connects you with licensed tax professionals for income tax preparation. Upload documents easily and communicate securely with your assigned expert. Access your tax documents year-round and get free tax advice.


This app offers a fully digital, paperless way to manage tax-free shopping refunds in the UAE. Track your refund status, view digital invoices, and understand the process for validated transactions. It simplifies claiming VAT refunds for tourists.


This app helps users plan and calculate US income taxes. It's updated with the latest tax laws and includes features for deductions, credits, and what-if analysis. It supports tax years 2024-2026.


Prepare and file your taxes on the go with this mobile application. It allows you to enter tax information, upload forms using your phone's camera, and view an estimated refund or amount due. You can also check your refund status on official government websites.


This app helps you calculate your shopping totals, including tax and discounts, to stay on budget. It allows for multiple discounts per item, saving lists, and calculating by quantity or weight. Perfect for grocery trips or quick price checks.


Easily calculate sales tax, discounts, and tips with this comprehensive calculator. Set custom rates and quickly determine final purchase totals, even for restaurant meals. Copy and paste numbers for convenience.